Pressure reducer



FIG. 1 is a top, front, right side perspective view of a pressure reducer, embodying my new design;

FIG. 2 is a top, front and left side perspective view thereof; and,

FIG. 3 is a right side elevation view thereof.

Any surfaces of the design not shown, including interior surfaces and any surfaces shown in broken lines, form no part of the claimed invention. 

CLAIM I claim the ornamental design for a pressure reducer, as shown and described. 